Improvement in printers  column-rules



PATENT OFFICE.

AUGUSTINE J. H. DUGANNE, OF NEW YORK, N. Y.

IMPROVEMENT IN PRINTERS COLUMN-RULES.

Specification forming part of Letters Patent No. 118,439, dated August 29, 1871.

To all whom fit may concern:

Be it known that I, AUGUSTINE J. H. DU- GANNE, of the city of New York, in the county and State of New York, have invented a new and useful Improvement in the Mode of Securing Electrotype and Stereotype Plates in Forms for Printing Columns; and I hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawing which forms part of this specication.

In the accompanying drawing, Figure lis a plan or top view of my invention, showing th-e imposition thereby of one column of matter for a newspaper. Fig. 2 is a side elevation of one of the holding-plates or rules provided with a column-rule impression-edge. Fig. 3 is a plan view of a metallic bed or block upon which to rest the stereotype or electrotype plate. Fig. 4 a similar view of the block for supporting a paragraph plate; and Fig. 5 is a front elevation of a grooved rule without the impression-edge, especially designed for holding the outside edge of the plate for the right and left-hand columns whenever desired.

A A designate the column-rules; these are provided with impression-edges a., and thus far perform the duties of ordinary column-rules. These column-rules A A are provided with furrows or grooves b, in one or both sides, just below the impression-edges a, or at such point that when the edge of a stereotype plate, C, has been slid into such groove the impression-edge of the rule and surface-plate will be level. These rules A A, when provided with the grooves b, on one `or both sides, constitute holding-plates, as also does the plate shown in Fig. 5, where the impression-edge is omitted. Any suitable bed for the stereotype plate() may be employed. I have shown a metal bed, D, as desirable, inasmuch as the Whole paraphernalia is designed to be a permanent thing in a newspaper-publishers office, except the stereotype or electrotype plates of the matter designed for successive issues of the paper.

From the above description it will appear obvious that the requisite number of blocks or beds and holding impression-rules having been put into a chase, to constitute the form,77 the only change necessary for successive issues ofthe paper is to procure the unblocked stereotype or "'electrotype plates and slide them upon the beds,

their edges passing along the grooves in the holding-rules. It is obvious that the beds may be of various lengths, so that where impression edges for cross-rules are not cast upon the stereotype plates, ordinary rules may be inserted between abutting ends of the beds or blocks, and even holding-plates, such as shown in Fig. 5, may also be employed as end-holders Jfor the stereotype plates.

WVhat I claim as my invention, and desire to secure by Letters Patent, is-

The combination of a grooved column-rule, (one or more) with an electrotype or stereotype plate, and a block orbed upon which to rest such plate, substantially as and for the purposes herein specified.

A. J. H. DUGANNE. Witnesses:

GEO. C. ELLIsoN, E. CLUsERET. 

